Miss. Code § 69-27-45
The board of adjustment shall adopt rules to govern its procedure, which rules shall be in accordance with the provisions of this article, and with the provisions of any ordinance adopted pursuant to Sections 69-27-43 through 69-27-49. The board shall designate a chairman from among its members, and may, from time to time, change such designation. Meetings of the board shall be held at the call of the chairman and at such other times as the board may determine. Any two (2) members of the board shall constitute a quorum. The chairman, or in his absence such other member of the board as he may designate to serve as acting chairman, may administer oaths and compel the attendance of witnesses. All meetings of the board shall be open to the public. The board shall keep a full and accurate record of all proceedings, of all documents filed with it, and of all orders entered, which shall be filed in the office of the board and shall be a public record.
Miss. Code § 69-27-45